89797037431 has 2 divisors, whose sum is σ = 89797037432. Its totient is φ = 89797037430.

The previous prime is 89797037383. The next prime is 89797037489. The reversal of 89797037431 is 13473079798.

It is an a-pointer prime, because the next prime (89797037489) can be obtained adding 89797037431 to its sum of digits (58).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89797037431 - 2⁷ = 89797037303 is a prime.

It is a super-2 number, since 2×89797037431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89797037731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44898518715 + 44898518716.

It is an arithmetic number, because the mean of its divisors is an integer number (44898518716).

Almost surely, 2^89797037431 is an apocalyptic number.

89797037431 is a deficient number, since it is larger than the sum of its proper divisors (1).

89797037431 is an equidigital number, since it uses as much as digits as its factorization.

89797037431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 89797037431 in words is "eighty-nine billion, seven hundred ninety-seven million, thirty-seven thousand, four hundred thirty-one".